Nissan Note [472/1872] Fuel tank vacuum relief valve built into fuel filler cap

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Nissan Note [472/1872] Fuel tank vacuum relief valve built into fuel filler cap
EC-472
[CR (WITHOUT EURO-OBD)]
EVAPORATIVE EMISSION SYSTEM
Component Inspection
BBS003DE
EVAP CANISTER
Check EVAP canister as follows:
1. Block port (B).
2. Blow air into port (A) and check that it flows freely out of port (C).
3. Release blocked port (B).
4. Apply vacuum pressure to port (B) and check that vacuum pres-
sure exists at the ports (A) and (C).
5. Block port (A) and (B).
6. Apply pressure to port (C) and check that there is no leakage.
FUEL CHECK VALVE
1. Blow air through connector on fuel tank side.
A considerable resistance should be felt and a portion of air flow
should be directed toward the EVAP canister side.
2. Blow air through connector on EVAP canister side.
Air flow should be smoothly directed toward fuel tank side.
3. If fuel check valve is suspected of not properly functioning in
steps 1 and 2 above, replace it.
FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FILLER CAP)
1. Wipe clean valve housing.
2. Check valve opening pressure and vacuum.
3. If out of specification, replace fuel filler cap as an assembly.
EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to EC-743, "Component Inspection" .
PBIB2961E
SEF552Y
SEF989X
Pres-
sure:
15.3 - 20.0 kPa (0.153 - 0.200 bar,
0.156 - 0.204 kg/cm
2
, 2.22 - 2.90 psi)
Vacuum: 6.0 to 3.4 kPa (0.060 to 0.034 bar,
0.061 to 0.035 kg/cm
2
, 0.87 to 0.49 psi)
SEF943S

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